A pure substance<span> has a definite and constant composition. A pure substance can be either an element or a compound, but the composition of a pure substance doesn’t vary.</span> Ex: salt or sugar<span>
</span>Mixtures are physical combinations of pure substances that have no definite or constant composition — the composition of a mixture varies according to who prepares the mixture. Ex: sand mixed with salt
The correct answer for #8 is:
C. The original pattern of the light is distorted.
Your correct! Radio waves I’m pretty sure!
Answer:
Sloth bears live in a variety of dry and moist forests and in some tall grasslands, where boulders, scattered shrubs and trees provide shelter. Their range includes India, Sri Lanka and southern Nepal.
Explanation: